Prevalence and risk factors of gastroesophageal reflux disease in Qashqai migrating nomads, southern Iran

Table 1 GERD in relation to demographic data and life style habits

	GERD n (%)
	Present	Absent	P	OR
Sex: Male	93 (32.7)	191 (67.3)	0.887	0.98
Female	144 (33.3)	289 (66.7)		1.0
Age: ≥ 40	134 (36.0)	238 (64.0)	0.046	1.39
< 40	93 (28.9)	229 (71.1)		1.0
Marital status: Married	212 (34.2)	408 (65.8)	0.086	1.61
Single	22 (24.4)	68 (75.6)		1.0
BMI: Obese (> 30)	22 (38.6)	35 (61.4)	0.552	1.37
Over Wt.	55 (32.7)	113 (67.3)		1.06
Normal (< 25)	147 (31.5)	320 (68.5)		1.0
Hx1 of headache: Yes	83 (49.1)	86 (50.9)	< 0.001	2.56
No	146 (27.4)	387 (72.6)		1.0
Hx of other GI2 complaints: Yes	78 (51.0)	75 (49.0)	< 0.001	2.70
No	154 (27.8)	400 (72.2)		1.0

¹Hx:Histroy;

²GI: Gastrointestinal.

Table 2 GERD in relation to dietary, smoking and drinking habits and medication

	GERD n (%)
	Present	Absent	P	OR
Hx fried food: Yes	208 (31.8)	447 (68.2)	0.012	0.51
No	29 (47.5)	32 (52.5)		1.0
Veg/Fruit: ≥ 1 /wk	201 (36.2)	355 (63.8)	< 0.001	2.7
< 1/wk	23 (17.3)	110 (82.7)		1.0
Smoking: Yes	98 (42.1)	135 (57.9)	< 0.001	1.88
No	125 (27.8)	324 (72.2)		1.0
Tea: Yes	218 (32.5)	452 (67.5)	0.146	0.59
No	18 (45.0)	22 (55.0)		1.0
Water: Yes	221 (32.4)	460 (67.6)	0.133	0.54
No	15 (46.9)	17 (53.1)		1.0
Beverages: Yes	172 (30.7)	388 (69.3)	< 0.001	0.51
No	60 (46.5)	69 (53.5)		1.0
Yogurt drink: Yes	190 (31.4)	414 (68.6)	0.047	0.63
No	44 (41.9)	61 (58.1)		1.0
NSAIDs: Yes	144 (40.2)	214 (59.8)	< 0.001	1.97
No	91 (25.4)	267 (74.6)		1.0
Aspirin: Yes	5 (45.5)	6 (54.5)	0.380	1.70
No	233 (32.9)	475 (67.1)		1.0